I would argue it's stronger than the in-vitro study. All the found there was that it activates general stress responses. Stress responses are known to decrease susceptibility to antibiotics (which is the effect saw in vitro).

It's in the same category as fire, because excessive heat also activates stress response pathways. What matters is whether it has an effect in the real world, and so far the data says it doesn't.

Overall it's worth studying further, but right now the best evidence says no effect.