I don't think it's spite, I think it's rational. (Not that I approve.) They're widely expected to IPO imminently. One of the most critical metrics in the S-1 w

I don't think it's spite, I think it's rational. (Not that I approve.) They're widely expected to IPO imminently. One of the most critical metrics in the S-1 will be mobile app DAUs/MAUs. They can't credibly include the 3P app users in those figures. They also don't want to be in a situation where most of their paying subscribers are insulated from future "features" and UX "evolutions" that investors will demand. So, it makes sense to me that they would induce a scenario where users are forced to choose between migrating to the official app or quitting reddit.