Criticizing how something was done can be interesting and informative.
Just announcing that you didn't like something is kind of masturbatory, a self-gratifying ejaculation of negativity, shitting a bit on people who did like it. (Unless they've been insisting that EVERYONE likes it, in which case they're asking for a rebuttal.)
This is going to sound totally twee of me, but "will what I'm about to do make the world a better place?" is a useful thing to ask. Self-gratifying ejaculations of positivity at least reinforce happiness among fans. Detailed criticism may improve the taste or discernment of readers and creators (though if you find yourself repeating for the third time it's probably time to move on.) "I didn't like it" just makes everyone who did like it feel a bit worse, without providing any useful information.
I make no claim to be perfect; I'm sure I make "I don't like it" or "wtf was that?" comments. But I won't defend that.
And of course I'm talking of non-intrusive art, like manga you have to go out of the way to read. "I don't like it!" in response to giant billboards, or someone's loud music, or coup attempts, is an entirely different matter.
last edited at Jan 10, 2021 2:06PM