The full story is https://www.reddit.com/r/cscareerquestionsEU/comments/laz3hv...
A ragetweet saying "what the hell did I just read" without linking to the source turned out to be about as useful as expected.
The post also says “ I wasn’t too excited until 7th January 2021 when my recruiter called me again and said “Welcome to Apple!”.”
In terms of working at Intel, the post said internship ending December 2020, and their LinkedIn profile says, “Incoming Software Engineer @Apple”.
I agree the tweet wasn’t great, but there is info in the Reddit thread to fill in the gaps from the source.
I think the interviews at apple had such big scope because the applicant had it on its CV, they had other good applicants so they have to really choose the best ones and/or they were trying to figure out what to offer him/her according to his/her skills.