Sapir-Whorf is not just "not fully accepted". Most linguists believe that linguistic determinism, which is what most people are talking about when they refer to Sapir-Whorf, is false.

Linguistic relativity is the weaker form of the Sapir-Whorf hypothesis that is largely accepted, but it doesn't come close to supporting the 1984 can't form treasonous thoughts without the requisite language scenario.