At Worldcon rn: "The Science, FIction, and Ethics of Terraforming"

AT THIS VERY MOMENT at Worldcon in Glasgow, the panel "The Science, Fiction, and Ethics of Terraforming" is happening. In the program guide, the final sentence in the description asks,

"Even if we do [have the ability to terraform], should we, if the world has the potential to develop life of its own?"

What do people think? More broadly, how do people feel about settling on other planets, both in fiction and irl?

It's my observation that H sapiens haven't, so far in our history, looked at a place ...