...what? DPSing is indeed not part of the "basics of tanking" but it's still something tanks should care about. It matters when you're trying to steps things up from every other average tank. Just because it's not part of the "basics" doesn't mean it's either bad nor something that should be ignored.
... You completely went over the entire point didn't you? What is it about your statement contradicts what I said? Allow me to repeat in case you are unable to properly read said "uneducated" statement.
Good DPS and tanking are not mutually exclusive actions. If a tank knows the fight well, how to properly manage cooldowns and how to keep control of said encounter then he/she should always aim to contribute as much DPS as possible to the raid without sacrificing their main functions as a tank. This is what differentiates an exceptional tank from a mediocre one.
First of all, you do know that there was a patch recently that changed the whole AP formula for tanks, right? No tank is going to take STR anymore, regardless of the situation so presenting this argument as if it was 3.0 or 3.1 is simply a giant waste of time. Tanks will take VIT at this point because it's simply superior to STR, period.
Why would you “spam flash”? You just need to flash in order to establish enmity. If you already have a significant enmity lead over everyone else why would you keep spamming a 0 damage skill that also burns up valuable MP? That's a complete waste of time. You either have a comfortable lead on enmity or you don't. Generating a gazillion enmity ahead of everyone else does nothing for you. If you already have a firm hold on enmity you should not be spamming flash, instead damage skills seem like a better use of your time. If you are learning a fight then this is ok but you eventually have to move past this point.
You know what else gives your WHM more time to spam holy? Good Cooldown usage, even with the extra HP a good tank will always strive to use cooldowns properly. This is by far, way more important than MOAR HP. Good healers want stuff to die fast more than anything else.
People simply switched to STR in HW because of how the fights where designed and how HP bloats did little to help with actual damage mitigation (Healers in this game being extremely powerful, you either survive or you don't). Good tanks will switch around as the fights demand it, it's all about adapting and optimizing, exceptional vs mediocre. It's kinda like how WAR works during progression, as they learn the fight they are more likely to use Storm's Path frequently in their rotation but as the group becomes more and more comfortable with the fight many of them often stop using it altogether in favor of more raw DPS.
It's not even about STR vs VIT because that whole argument is (was), quite frankly, simply utterly pointless and ridiculous; heck, VIT vs STR doesn't even matter anymore as STR is now a bad idea to have. It's simply about either mediocre tanks making up excuses or people just complaining about how the game "should play".
On the flip side there where indeed issues with Raid designs in Goardias as the tight DPS checks pretty much made Paladin Unviable during progression. This was a horrible design choice and SE should never repeat this ever again but this is an entirely separate argument.