yes.
1) Well, if you insist, then I suspect that there's a lot hiding in the word "flawed". Specifically, that there is something beyond "flawed" that we aren't talking about.
2) This is something we frequently (perhaps generally) fail to publicly recognize when that information would be useful. Our discussions lean to absolutely trashing on flawed things, as if they were in the "beyond flawed" category.
I think we are thus often the architects of our own disappointment.
You actually gain proficiency by using the tools. That's how learning skills works. The idea that you have to be an expert before you can try is nonsense of the highest order. What are they going to break? How are they going to hurt anything? Let them build 1000 terrible monsters. Number 1001 will be brilliant.
Who are "them" in this comment? Because, if it is "players/GMs", no, that's not how customer satisfaction works. If players/GMs use the system once or twice, and it doesn't turn out well, we metaphorically dash it to the floor, stomp on it, and storm away in a huff to shout on the internet about how WotC sucks. We wil not wait for #1001 to ragequit.
And that's not a win for WotC.