The real difference is that a "true professional" already has the software—purchased at full price by themselves or by their employer—and doesn't need a subscription in the first place.
The biggest distinction, in my experience, is that prosumers tend to be means-focused and professionals tend to be ends-focused, so there's less zealotry and evangelism in professional circles.
The real difference is that a "true professional" already has the software—purchased at full price by themselves or by their employer—and doesn't need a subscription in the first place.