So a few things;
A) on the professional level sports ain’t about fair. It’s about who has the biggest natural advantage and enough money and time to develop the skills to make use of that advantage. Take the Olympic swimmer Michael Phelps who has genetic mutations, plural, that mean we’re likely to never see anyone ever break his records.
Now that’s just the professional level, and a less than professional level sports are about fun, not fairness; and in a team game it’s about teaching social skills over fun.
B) post bottom-surgery on hrt trans people, either main direction, have no biological advantages. In mixed leagues there are trans women that are far below cis women, and there are trans men far below cis men. This scare mongering that trans women specifically would have this massive advantage simply isn’t represented in the real world where trans people have competed with cis people directly.
C) You want the secret to athleticism? It’s not sex, it’s t level. Testosterone is literally the magic key for sports. Trans women that no longer produce as large amounts of t (see. Above) consistently under perform cis women with high natural t levels. To preempt this as well, bone density isn’t fixed. The Joe Rogan scare mongering on women’s boxing is that trans women supposedly have higher bone density than cis women. This can be true, sometimes, but most often it’s not. Estrogen attacks bone density, and does so ridiculously quickly when you have elevated levels from any source. It takes just 3 years on average for your bone density to drastically change when your hormones balance changes.
D) this type of discrimination leads to false accusations, harassment and death threats more than preserves any integrity in sports. The Olympic boxer Imane khelif is a cis woman. XX. This trans hysteria has tainted her win, because she doesn’t look woman enough, whatever that means. Many cis women that don’t fit the local stereotype of “woman” are harassed because of people freaking themselves out about the trans Boogeyman. This type of harm outweighs any and all harm to sports, period.
Storage really isn’t a problem, and most risk comes from ancient reactor designs, not new ones.