OP_RETURN consensus limits aren't changing. The reason why mempool policies are changing isn't to make it easier for these transactions to propagate but in order for the mempools to reflect better what the next block is going to look like.
Nobody removes your right for anything. You can run Knobs if you think that's important for you. Knots however is a dangerous psyops and unreviewed pile of burning trash. I advice against it but you do you.