If you actually read, you'll see people aren't questioning it on the basis of the cost (though there are plenty of doubts about what it will be in future). Good for you if you consider it OK for you, but don't deny others the right to take a different view.
Agreed. My objections to the CC licensing model have NEVER been about price. I am more than will to pay whatever it takes to do business. I'm actually willing to pay a little extra if I can get what I want, and use it for as long as I want. In my estimation, affordability has zero influence with the situation. Short-term bargains quite often don't turn out to be fiscally sound long-term solutions for the end user. Even hobbyists, should have the foresight to at least look past the initial price of entry and evaluate their long-term interests.
I don't think it should be considered insane to question a business model that imposes an expiration date set in stone. Or that forces it's users to underwrite future development regardless of the direction the executives in charge decide to go. Or that removes all control to speak with their wallets to voice their displeasure with the direction of development. Once everyone is locked in, and CS6 has reached is end of life, and Adobe is gleefully depositing their monthly stipends (at whatever price they deem proper) ... how much effort in "listening" do you suppose they will invest in order to offer their subscribers a better product? If the past six months is any indicator ... they really didn't have a clue who their customers were, or what their customers actually thought about them.
One last thought ... If it were not for those of us who have spent hundreds and thousands for Adobe products over the past many decades, Adobe would hardly be in a condition to offer a $12 per month plan for anyone ... best not to make light of those who saw to it that Adobe succeeded to this point ...