Really, how many different releases do you have to have for the THS.Those who grip it and rip it score higher on it, and they have only one release. I think it all depends on what you are bowling on.
If your goal is to score high on the THS, learn to grip and rip. You will be ok. If your goal is to learn the game, and ideally to master it, then more then one release must be learned and mastered.
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Those that can do. Those that can't complain. Pimpin ain't easy, but it's mandatory.
Most things we like, we don't need. Most things we need, we don't like. Don't confuse your likes with your needs.