Linktree Senior Machine Learning Engineer interview questions

I was offered a promo code for LinkTree Pro instead of interview feedback after interviewing for 5 rounds of interviews. The interviewers are nice, but the interview processes has a lot of problems i.e. - The Data Engineering round interview has very similar pandas based question as the coding test. I was provided Python script instead of Notebook, which makes the interview hard to iterate with data. (I was provided notebook for a previous DS round). Also no autocompletion/type hint is available. - The coding test have questions that has wrong description, when I reported that to Recruiter again I do not receive any feedback. - The ML system design round was in fact, more like a system design round with little focus on the ML part. - HR repeatedly schedule interviews for wrong time (i.e. midnight) because they have interviewers in UK, Australia and US and I was often provided with different information from different Recruiter. - LinkTree Pro? Really?