I think I grasp what the gist, the whole system is assuming that employers are doing things as they are meant to be done via the legislation but a lot of companies make it nigh impossible to book AL in a way that is viable - "Yes you can have this week off you've requested in ten months time, apart from the Tuesday and Friday" - Bang goes the weeks vacation wherever you wanted to go at the affordable price you found... It's flattering to a point if your boss / HR don't consider you being away for an actually useable amount of time but also part of that wave of chipping away at people's rights, kick up a fuss referring to the rules and regs and you are earmarked as troublesome.
On the last point, shut up and get back on the hamster wheel

I'm with Guy Garvey of Elbow, "I'm sick of working for a living, I'm just ticking off the days till I die"