OK I'll rename these later, when I've time to check which ones are in UK

RS is not used in UK because Ford threatened lawsuit/filed to complaint(not sure exactly but Ford wasnt happy )

Ireland(just for example, first Škoda page i found with similiar configurator) vs UK

Is that "vRS" name so much enforced in UK? Can't we just use "RS" everywhere?
(or maybe in UK the RS name was trademarked by another company?)

Škoda vRS name/model is only used in UK, everywhere else its called just RS. Badge looks vRS everywhere but "v" is diacritical mark above S in Škoda(but in UK "v" is v? ).

Many are RS:
https://www.imcdb.org/vehicles_make-%C5%A0koda_model-Octavia+vRS.html https://www.imcdb.org/vehicles_make-%C5%A0koda_model-Fabia+vRS.html
https://www.imcdb.org/vehicles_make-%C5%A0koda_model-Fabia+Combi+vRS.html
https://www.imcdb.org/vehicles_make-%C5%A0koda_model-Enyaq+iV+Coup%C3%A9+vRS.html
https://www.imcdb.org/vehicles_make-%C5%A0koda_model-Octavia+Combi+vRS.html
https://www.imcdb.org/vehicles_make-%C5%A0koda_model-Octavia+Mingrui+vRS.html