As others have said, it’s important to compare apples to apples: i.e., don’t compare a hotel room to a one or two bedroom condo with fully equipped kitchen.
It’s also important to distinguish locations: i.e., I don’t travel “to Hawaii”, I travel to a specific island and a specific location on that island, because that’s the island, and the town on the island, that I enjoy. [Conversely, I don’t have much use for, or place much value on the ability to travel to, many of the locations where I could use my TS points, or make RCI exchanges to, because I’ve no interest in traveling to these places.
As for value: I recently looked into whether I should divest of my TS and its maintenance fees in favor of other booking possibilities (for example, VRBO or airbnb, or Vacasa, or ExtraHolidays). I found my MF provided a significantly better value than any of these alternatives.
My wife and I have had our TS for 25 years now. We purchased it when we were both (over)working. One conscious reasons for going the TS route was “paying in advance”: we are both the kind of people who, having paid for something, are damn-well going to use it. This personal predilection gave us the ability to stand-up to our department heads (we were both employed as university professors) and tell them no, we were not going to be available to work over winter break (when we are not paid) because they wanted to delay committee meetings or request some other nonsense that, but for their own procrastination, could have been finished during the term (or, as was often the case, they wanted done early so that they could take some travel of their own during the following term: two weeks in Rome in January for a Department Head retreat is an important responsibility of their job, which their faculty need to support, you know).
Bottom line: for the kind of travel we enjoy, TS with its MF is more than cost-effective. And, for the kind of personalities we are - readily encouraged to compromise our own time for a sob-story - TS with its ”paid in advance” vacation made it possible to insist that our time was, in fact, our own and that our supervisors failure to plan was not our responsibility to fix.