They don't want customers that make them bleed more money than they're supposed to.

People on OpenClaw discord were bragging about having this stuff running 24/7 and using billions of tokens. I think one guy was using billions per day. (I might have misplaced some zeros but I remember one guy's bill would have been $1000 with API pricing. Per day.)

At the time, enforcement was pretty random, and I think based on how heavy your traffic was.

They weren't all on Claude (though it was the preferred setup) and some people had dozens of accounts hooked up with proxies to avoid hitting limits.