I could be totally off my rocker but ...

Creating a pool like this is very expensive and few other pools will be able to operate this way. This type of hashrate insurance is also very attractive to miners so they'll be disproportionately attracted to the pool.

If Luxor starts censoring, are miners going to abandon this predictability which is so desirable? One, adversarial, way to view this is that Luxor is bribing miners so that they can control more block templates.