> I'm a filmmaker, so you can imagine my frustration of being bitten by the "unsubscribe fee"

What's the 'unsubscribe fee'? Are you referring to choosing something like an annual plan instead of 'Monthly' and only getting 50% back if you cancel partway through?

As you said you're a filmmaker, if someone chooses to obtain the rights to your film for a longer period instead of a shorter period and then changes their mind halfway through, do you similarly give them 50% back?

From what I can see, Adobe prominently and clearly displays from the first public checkout page the differences between 'monthly' and 'annual' options?