Strike won't specify because they are not allowed to. You are not communicating with Strike anyways, you are communicating with feds. They do this to everyone when you use the wallet for something the feds disagree with. Did you donate to Julian? That is likely grounds for a permanent account ban. There are others.

I laugh at all people that swear by these KYC apps that did a deal with the devil. Most notable are bitcoin-only apps: strike, river, and cash app.