Those are mostly in response to reddit's API changes. By editing the comments before deletion, the archives also get wiped and it takes a bit more effort for reddit to restore deleted comments behind users' backs.
Yes, it makes the web poorer as a knowledge base, but it's in response to companies like reddit ruining the internet by baiting in users, changing the agreement and then trying to keep the content that was written under the previous agreements.
Yes, it makes the web poorer as a knowledge base, but it's in response to companies like reddit ruining the internet by baiting in users, changing the agreement and then trying to keep the content that was written under the previous agreements.