> Realizing this, these types will give up on re-introducing the original organism and instead create a bioengineered version that can survive in the changed world. I fear this path will not end well for us.

Developing and injecting genetic resiliency into existing populations isn't the worst thing in the world. Additionally adding animals that can only reproduce sterile offspring would be an amazing tool for dealing with invasives. That kind of practical work very easily follows from this R&D.