And yes, your classic stories of humans intervening in nature and causing disasters, like bringing rodents to islands, that stowed away on colonial sailing ships.
There were alleyways and roads bordered by tiltering piles of broken and damaged furniture, stowed away, perhaps, to hide the evidence of mishandled magic, or else hidden by castle-proud house-elves.
My mind is like a crowded box-room with packets of all sorts stowed away therein—so many that I may well have but a vague perception of what was there.
We really just need to stop moving potential troublemakers around in the first place, leaving bunnies, where they belong and making sure ants and earthworms don't stow away in ships, cars, or excavators.