And even the "third try" rule is the most lenient case for the seller here. Firstly, For mass produced devices (not with BTO models!) you generally have the right to demand a new replacement instead of waiting weeks for the repair. And the "three tries" is actually only an upper limit (and AFAIK only explicitly stated in a few countries) - if you agree to a repair you can demand a reasonable deadline, which trumps any number of tries. So, no, you don't have to accept "repair->2 weeks->failed->another 2 weeks".

(All this under the assumption this happens in the first 6 months, when the law assumes a fault at the time of sale as a default and consumer rights are strongest)

is there an online resource with this type of "good to know EU pro consumer workflows" explained somewhere but easy to digest ?

In Europe..? I wasn't aware of that. I mentioned returning it to Apple and they said the could give you a new one at the most, but only after multiple repairs for the same problem failed.

Yes, in Europe. It happened to my brother, but with Asus (so they didn't try to talk him out of it). After third warranty claim, he took the money and got an Thinkpad.

See my other post. They were bullshitting you (happens too often, sadly). Was this Apple themselves or a third-party seller?