After phone interview with technical HR, who asked me some basic algorithms bigonations, started first screening interview. Interviewer talk about their's team and in which modul they are working. After that they give me a two question.

Screening call, asked if had more framework experience or basic JavaScript experience. Answered the truth (frameworks, like React), at the end I asked about the question and was told it was a red flag. Does not seem like a good reason to reject someone