To state it again, subscription models in creative software were invented so corporations would have a cheaper way to buy "seats" and be able to keep current when they hire contractors on large projects. Otherwise, larger companies would only buy their software every 4 to 6 years when it was absolutely necessary to upgrade. As a side effect, it also allows base level consumers access to a wider suite of software at a reduced price. This is the exact reasoning I heard from Adobe back when they developed Creative Cloud.
If your product takes thousands of man hours to develop and maintain, and costs the end user a ton, you need to find a way to get a wider user base. This is what the big companies like Adobe and Autodesk did. It might sound like a lot to spend to the high school or college kid who has little money, but a few hundred dollars is a tiny amount to spend on something with the capabilities of Fusion. I am happy if that small price of entry weeds out the less serious people.
Personally, I love the current model as it means I only pay once and I effectively own the software. I can also choose ala carte what exporters make sense for me. I guess it would be nice to have a unified Standard/Developer pool of users, but I have never found the forum users to be effected too terribly by the split.