You're seeing it more because Reddit has made a series of decisions, in rather rapid succession within the last few weeks, that were widely disliked by longtime users of the platform. API restrictions, the crackdown on NSFW content, major bugs with the official mobile app, mass deletion of DMs, removal of Reddit Gold and the rumored upcoming "creator program"...
All of this has come down the pipeline in a relatively short amount of time, and is pushing people to the point of vehemency.