I’ve used it with Python for data extraction and visualization last week. It worked worked surprisingly well 90% of the time. But when it failed to produce the code I wanted, it was difficult to trouble shoot and find a way around.
It helped a lot to break the tasks down as much as possible. It also remembered stylistic guidelines from several prompts ago

I’ve failed to get that to work. How do you actually get additional languages?

I don’t know where the hostility comes from, but here is a good review article that has a global overview of the impact free-ranging cats have: https://besjournals.onlinelibrary.wiley.com/doi/10.1002/pan3.10073
It calls out several studies from the UK that do highlight the impact of cats on the wildlife.
An additional interesting point is chapter 4.4 “The interest of cat owners”:

Studies show that many cat owners are opposed to banning the free roaming of domestic cats, although the degree of this opposition varies between countries (Ash & Adams, 2003; Crowley et al., 2019; Lilith et al., 2006; McDonald, Maclean, Evans, & Hodgson, 2015; Thomas et al., 2012). Several UK studies are particularly illustrative. According to Crowley et al. (2019, p. 18), cat owners ‘rarely perceived a strong individual responsibility for preventing or reducing’ predation by their pets. Likewise, McDonald et al. (2015, p. 2751) found that many owners ‘do not accept that cats are harmful’, including owners of highly predatory cats, and moreover found that providing owners with ecological information regarding cats’ wildlife impacts does little or nothing to change their views.

You can’t compare the impact of actual native wild cats with the impact of domestic cats. It’s such a huge difference in numbers.
As you said, some areas have wild cats and the ecosystem is tuned to that. But even in those areas the comparable extremely high numbers of additional predators (domesticated cats) is damaging to the wildlife.

They are still mesopredators. A big bird of prey, a coyote, or a fox wouldn’t mind going for a cat.
But it’s not even relevant for the discussion whether they are apex predators or not. They are efficient predators and the artificial high number of individuals is harmful for the ecosystem.

There’s an enormous difference in the natural occurrence of native wild cats and feral or roaming domestic cats.
No one is arguing against native wild cats being around, but against artificially introducing a mesopredator into the ecosystem.

As a “professional ecologist” you should be aware of the concept of “landscape of fear”.
Non-consumptive effects have an equally strong (some argue an even stronger) effect on prey populations compared to consumptive effects.
Letting domesticated cats roam freely creates an unnaturally high predation pressure in the area and has more effects on the local wildlife than just killing it.

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Zwei ~ vor und hinter dem Wort

A bit of nitpicking, it’s not born to a wild cat, but a feral cat.
We do have actual European wild cats, so it’s a small but important distinction.
Auch auf Deutsch würde ich eher von einer verwilderten Katze reden, da wir eben richtige Europäische Wildkatzen haben.