Indeed - clubs won't waste women's spaces on born males if they know they'll be barred from elite competition. It's a waste of resources
I suspect this will be the start of the dam breaking. It's informed, science based, legally enforceable, they've danced the inclusion dance but are confident in protecting women's sport for women. I note they're clear that this applies to elite competitions only but we've all been waiting for a sport to remove themselves from capture by the trans groups and swimming have finally done it.