‘Long Time, No See’ Is Considered Offensive, Non-Inclusive Language at Colorado State University – Hit & Run : Reason.com

Leibee also noted that administrators discouraged use of “you guys” in favor of “y’all,” which is gender neutral (and ungrammatical, but this is apparently less of a concern). Her column does not claim that administrators force students to use the gender neutral terminology, just that such terminology is preferred.

https://reason.com/blog/2018/11/06/long-time-no-see-is-considered-offensive