The limit has not been permanently removed. It's temporary and will be determined by node governance.
so why not just leave locked until node governance, why the temporary change, the point ?
The limit worked, but it was impractical. If a person lost their node for any particular reason (e.g. network going down) then it would result in them losing their place. Also, the issue of DDOS attacks.
We are currently working on solutions for these problems, if people vote to bring back the limit.