Which one do you prefer, LGBTQIA+ or GSRM?

LGBTQIA+
+Recognisable
+???
-Cumbersome
-Some groups are relegated to the “+”

GSRM
+Includes everyone
+Not cumbersome
-New
-Not familiar

OK I am biased but I do want to know why people still use the long one when we could be using the short one?

#LGBT