Completely disagree. Both women were flawed candidates and their flaws were unrelated to sex. I'm not here to gaslight and say that sex has no relevance - it absolutely does. But I also firmly believe that women can win big elections - simply look at how many female senators, house members, and governors there are (in red states too!).
The messaging is the key. Hillary was condescending ("deplorables") and Kamala wasn't much better. Also, Kamala was constantly playing from behind because of Biden's hubris in thinking he could run again and then not dropping out soon enough.
And why do you hate America so much? This is an attitude that needs to stop, especially on the left, if they ever want to win national elections again. I'm constantly pointing out America's flaws and the corruption that takes place, but to expect perfection is unreasonable. This country is an ongoing experiment and occasionally darker forces win over our better angels but our North Star remains and the arc of justice throughout most of our history has pointed true north.