Removing a feature from the mempool policy (Removing the ability for them to set parameters on the OP_RETURN) is not the same as a node runner applying a filter. These 2 examples are not comparable one is removing the ability to set a limit, the other example is applying a limit.
Discussion
Agreed. Didn't realise you were talking about that.
Yes, I agree that removing this optionality, especially when people are using it, is bad.