Claiming that every single item uploaded to a completely uncurated public open index represents "effort" is simply ignoring reality. Anyone can check the latest releases right now to see the endless stream of zero (or near-zero) effort products, a massive expanse of shovelware clogging the feed.
I don't think I need to post individual links to prove that water is wet. Denying that spam exists on Itch doesn't make it disappear; it just demonstrates a complete refusal to acknowledge the current state of the platform and, frankly, I am curious why you feel so personally addressed by all this, though I haven't even looked at your profile yet.