I'll say this as the owner of a small consultancy that will (probably) be affected by the new law: I have far less objection to the tax itself than the specifics of how it's implemented. In any case, it might first be worthwhile to read the actual language in question [1]. So with that in mind, the implementation problems include: 1) There was very little notice given to the affected parties - the bill passed July 24…
Couldn't you argue that Wordpress is a framework for which you are building custom software?