This comes across as cope.
A dollar bill can be scribbled on to a point it is no longer usable as money and a monument can be defaced so badly it is no longer recognisable.
We've seen what happens ...
Filters don’t prevent the harm, at all.
They make the problem WORSE, by discouraging them from putting the spam in the least harmful place- OP_RETURN.
They make the problem WORSE, by discouraging them from putting the spam in the least harmful place- OP_RETURN.