Testosterone is real, not ideological.
Testosterone makes you take more risks.
Bitcoin is considered a risky asset. As long as it is seen as a risky investment, women are not going to go in.
If it is ever considered a safe investment like housing or gold is now, then they will come to bitcoin.
As long as there is risk, forget it.
I think because that people believes that women has other center of interest like cooking or makeup or children elevation so it is possible there are women registered with male email address on youtube this could be also case that 100 % of audience are male, all possibilities are possible. This is because for a small reason; if a men is selling crypto or earning crypto all orders are serious while it differs for a women because there are people calling just for wasting her time so there are other manners of selling crypto like for example her brother reply to phone calls.
Yes. Eventually, there will be far more. Men tend to visualize more and so they tend to see what may come sooner than woman. Woman are nesters and tend to stay with what they know longer.