The last I was told is that the rules had changed back and phenolic was ok to use again.
d. The cue tip must be composed of leather, fibrous, or pliable material.
(Remainder deleted).
Note: Pending further research and review, the BCAPL has temporarily rescinded the prohibition of the use of phenolic tips for break shots. However, the restriction is subject to re-introduction before the expiration of this edition. League Operators and League Managers will be contacted if any further rules modifications regarding phenolic tips are made.
The only cueball I've ever seen damaged with a phenolic is the measles ball. They get these little semi circle marks on the surface.