

No worries. There’s a bunch of stress on this issue.
You said that one study said brain development stops at 25. I asserted that to the best of my knowledge that study itself didn’t even say that – it’s just people misquoting it.
Wikipedia has what looks like a fair article debunking the idea. :)
https://en.wikipedia.org/wiki/Brain_matures_at_25_myth
You are spot on about puberty blockers being reversible. Which is why there is any use for them at all with trans-curious youth for whom there is any question at all that they might not be trans.
Denying HRT to teenagers who are confident in their gender identity is just cruelty. Going through cis-puberty has irreversible changes and causes mental anguish for a mono gendered trans person. Especially since, as you said, the permanent changes take months to occur.
The electoral college almost made sense when the president was essentially a functionary of what Congress wanted.
Indirect election of someone with actual power is indefensible. Every person with power should either be directly answerable to an elected office or have so little power that their tyrannies can be ignored.