Is it really that bad to play chess computers?

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yes

Bad, no. Frustrating, yes. At lower levels chess AI will make some really silly (bad) moves, so it can be hard to play a decent game. At much higher levels the AI can play so well it is hard to have a fighting chance.

Before chess sites came along, if you could not find an opponent, chess computers were pretty much your only option. However, now it is much easier to find a "human" close to your ability to play.

Max I've beated it's stockfish lv6 of lichess, more than that i maybe got some draws but it's tough playing them 

Yes it sucks

don't ever play a 30 sec game with computers its impossible

Because some people want to play with it?

Computers are absolutely random at lower levels and completely crushing at higher levels, but at level 5 or 6 on Lichess (sorry I do not know the equivalent on Chess.com), that is about 1800elo, the computer is interesting to play against. Much like a human, it plays in its own peculiar way and is quite consistent throughout, providing an opponent that can be learned from.

correct!

And at higher levels all it is remaining is to play in "safety first" mode, blocking positons, early exchanges in order to reach endgames etc.

All of this kills player's creativity since there is no time to do any activity, all of calculations which , in human vs human game, would lead to exciting and interesting positions and battle, would be turned down at very beginning.

IMHO the one phone app that gives you a fighting chance is Shredder - as it will continually lower or raise its strength depending on the result of your last game to give a more equal game the next time . . .

I truly believe it harms your chess skills, because you cannot apply plans that would work against humans (traps e.g.). That makes you less confident and less likely to take risks. But risks are often necessary to win!

Because there are people with preferences different from yours?

I play every so often to see how deep into an opening I can get playing a proper line. But as people have said, a computer cannot blunder properly, so the sense of the game is distorted somewhat. And at a higher level, the moves the computer makes are clearly engine moves. It's hard to feel rewarded against a computer.

I actually enjoy beating up the computer bots over in Live.  I don't really enjoy competitive games very much because I don't handle stress well.  Playing bots a few hundred points under my rating gives good practice on how to win games when you have an advantage.  Yeah it's not real chess, but it's close enough for me.

Chessmaster was the famous one who introduced persoanlities with various strenght, but also various playing styles, which were good (balanced ones) and some used to be very ugly, for instance one Personality , rated think 2200 or similar was always sacrifising queen for rook, does not matter on position. So how this can be on mind of someone who has USCF 2200?? Or one who always sacrifised one/two pawns in opening...then one "guy" who always played for a draw, so i goes that I was able to draw against USCF 2500 player whenever i wanted to do so. ha ha ha!

however, it was still looking better that other chess applications.

At least they play fast...

Also, as a beginner, I don't like the clock component with live chess while I'm learning. If I'm by myself (yes, you are still by yourself even when playing someone over the internet unless you are on zoom or something), I don't like to sit and wait for my opponent's move.

Playing computers allows players to control strength of opposition, losses don't effect rankings. 

I prefer the engine! No cheaters. There are a ton of cheaters on chess.com.