"Meddling" happens naturally too.
Gene transfer between species happens naturally. See Bacterial conjugation
Viruses can and do transfer genes btw bacteria, and btw bacteria and plant cells, plus viral dna has appeared in higher organisms (such humans), so even across kingdoms, let alone species. See Endogenous retrovirus.
About 5% (exact figure varies depending where you look) of human DNA is endogenous retroviral DNA. Most of this is now switched off (most 'appear to be defective', i.e. can no longer be transcribed into effective proteins) from doing anything in humans but it is thought that some could still be active in multiple sclerosis.
So no, aka, it's not that I think all genes are the same or that I'm indifferent to poorly applied GM, but that I believe in science and I believe in human curiosity, so that in principle I'm not opposed to GM foods. I believe I may have mentioned the 'in principle' bit before. Not objecting in principle is not indifference, as I'm sure you are fully aware.
GM food also doesn't worry me. It appears to worry some people.