There's a strong desire to keep the web an open platform, if the alternative to WebKit isn't going to be Firefox, it'll simply have to be something else. I'd gladly contribute to the cause, beit ladybird or something else. For now it would be monetarily until my impending retirement when I can contribute hours without impacting my family.

I wouldn't discount ladybird or others simply because they haven't shipped their mvp just yet. They're closing in on a usable product. Maybe they never make it, but servo and others may. Saying they'll be dead in a few years isn't contributing much besides pessimism for anything but the status quo.