What even is 'gender critical'?
The term is used to try and give a more neutral connotation to transphobia.
Gender critical is an ideology commonly associated with TERFs, where transphobia is sloppily disguised as femininsm. Women's rights are often brought up in ways designed to gain sympathy while simultaneously painting transgender people as some kind of sinister enemy to blame for misogyny.
Instead of focusing on actual problems, this ideology treats transgender people as a scapegoat.

Why should I care about this?
Being able to recognize and identify harmful ideas helps when fighting against them.

• ROGD - Rapid Onset Gender Dysphoria (a heavily debunked "study" which falsely describes gender dysphoria as a "social contagion")
• TIF - Trans Identified Female
• TIM - Trans Identified Male

Tracy Clark-Flory - A feminist utopianism
YouTube Video: Gender Critical
YouTube Video: J.K. Rowling
YouTube Video: Rapid-Onset Gender Dysphoria: A Miffed Response
YouTube Video: Responding to JK Rowlings Essay | Is It Anti-Trans?
YouTube Video: The Full TERF - How ‘Gender Critical' Harms Transgender Folks
YouTube Video: The "Irreversible Damage" Of Transgender Puberty Blocker Legislation
YouTube Video: The TERF Baroness - Cringe Corner featuring Sophie from Mars
YouTube Video: THE WORST TERF INTERVIEW - TRANS GUY REACTS (JOE ROGAN PODCAST) | NOAHFINNCE