That's how we got asbestos in walls, lead in gas/paint, freon, pfas, &c. The same story over and over and over again. But sure go ahead and start slicing our dna, what could possibly go wrong?
Did you have a point?
Don't get me wrong, I'm not saying throw caution to the wind, but ludditism also isn't the answer.
What did it bring ? At what cost ?
Personally I'm of the opinion that the world was already on fire as it were, what with the mass extinctions caused when we became an invasive species out of Africa. If we were still stuck in the stone age like our predecessors we would still be an ongoing mass-extinction. There is some hope to eventually not be an ongoing mass extinction but that would require some combination of even better technology and the right priorities.