She's pretty ridiculous.
I assume her strategy is to mix in reasonable stuff with her ridiculous stuff in the hope of winning the PR battle and getting more of the reasonable stuff.
The spike/cap smoothing is her best issue, that and the age limit, both are reasonable things for her to consider she might get.
The whole "players are irreplaceable, owners are not" is dumb and targeted at PR to people who are stupid.
There are other leagues, they just pay far far less money, that's why the owners are never going to take less than half. The capital outlay to make a new league that could bring in revenue large enough to pay the players more is so high it would never happen.
The real question is the max. The max is terrible for Lebron and other top stars, but great for the lesser players in the league, losing the max without losing the cap would be murder on the majority of the members' salaries, same with eliminating the rookie scale. The cap is not going anywhere, the owners know it would be terrible for almost all of them to lose the cap, and outside of 2 or 3 owners most of them can afford to wait out the players, while most players can't afford to miss a season. Her statements so far all seem to be geared towards the top players (which I guess makes sense as they have the most pull) but many of them are actually only good for a small percentage of her union's members.