I don't think there will be any consequences of importance, for a different, simple reason: people generally resist changing their worldview and will do mental gymnastics to preserve it.

Exactly.

Not really the same thing, but if alien life was found on Europe or Enceladus, religions would resist to change their theologies.

That's an argument I think is valid for a possible lack of consequences of importance.

Unlike thinking there won't be consequences of importance because of a belief that < 1% of humanity even thought of maybe possibly having

Not really. They'll just say a chemistry experiment isnt life.

Once the "chemical experiment" escapes its petri-dish and replicates in the laboratory's drain, taking over whole beach resorts and a third of the Pacific ocean, people will rethink!

I think it's pretty optimistic (? or pessimistic) to assume that the "chemical experiment" would have a chance in hell against the bacterial super-predators that have spent billions of years evolving to adapt to this environment.