Not sure what seems "political" about this.

When deciding to support a given thing, you have to make a determination as to whether it's worth the effort or not.

You don't simply ignore unknowns. That effectively means assigning the unknowns zero cost, which is unlikely to turn out to be true. Generally, the more unknowns, the higher the risk, and the higher the risk, the higher the estimated cost.

There are a lot of unknowns about vibe bun right now.

One effective strategy for dealing with unknowns is to turn them into knowns if you can. Here, that probably means waiting to see how vibe bun turns out.

If it turns out to be stable and highly compatible, at some point in the future, they can always pick up support then.