You can write your own sandbox profile if you're so inclined... but not easily, and you can't force it into a container in the Library folder, for example.
Except in this case, correlation is so strongly correlated with causation that it becomes causation.
Look, the plural of anecdotes is not data, but you can't argue against the general trend of "applications using web frameworks like Electron tend to consume more RAM" by saying "well in this specific case they made poor design decisions that would bite anyone in the ass"; while that may be true it misses the point, which is the much larger (and well-correlated) & overarching tendency of such apps to absolutely chew RAM.
That it's a "tired trope" doesn't make it untrue; it just means that enough people have accepted what is functionally the new state of the software application world that it's considered passé to call such things out.
I haven’t used Paw because I have very little need for a tool in this category lately, but I’m tempted to buy it anyway just to reward them for developing a good native Mac UI, and not restricting it to a subscription model.
Are you talking about the old problem of VMware and Hyper-V not playing well together, or suggesting that using both together solves Windows development woes?
KVM supports GPU passthrough, so, if you have two graphics cards, you can run Windows 10 with full GPU acceleration. Check out Passthrough Post for ideas/instructions.