Yes, renting software is a skeezy model. Yes, they should still allow people to purchase perpetual licenses (which, for the record, you can still do until November). Yes, this could have been communicated differently and with more notice.
No, it's not the end of the world. A company has to make money, and at the end of the day, I'd much rather give my money to Jetbrains than many other companies because I know they make excellent tools that facilitate my ability to produce excellent software.