Profile of nee

You're wrong, and if you think I'm the one being a dick, just look at a mirror. I did not ask you what is a heavy tank, I asked what do you define as a heavy tank. It is whatever you think it is, the problem is YOU'RE withholding relevant information here. Jumbo being more durable while also being unique to Tiger/ IS2 honestly does not require it being a heavy tank, so why call it that? Knowing what the terms you are using is VERY relevant when you're using them, and it matters because honestly we do not know what you mean when you say it; if I say you're gay but didn't mean homosexual as the term also can be used for, its kind of relevant for me to make sure I point that out, does it not?
KV-1 is a heavy tank but it might as well not be considering how shit it performs against Panther, a medium tank by all definitions except damage and range, which make it more like a tank destroyer. Do you want the Jumbo to be the kind of heavy tank that the KV-1 is? Because that's probably not what a lot of USF players would consider a suitable solution.
There is also the issue of Jumbo unit with 76mm gun for better AT: you're no longer in the realm of durable tank now, it's durable tank that also has good firepower. But that's getting pretty close to IS-2 copy paste, doesn't it?
Lastly, the term matters precisely because you keep using it.

It means you're throwing that term around without actually telling us what it is, and when I asked you to define that term you ignored that request.

Have you missed the announcement of the Valentine? A Light Tank marginally more expensive than an M5 Stuart, but with a 75mm gun and IR Half-Track spotting?

Valentine is what Chaffee (or actually, Stuart) needs to be.

another one of those hype threads where in-game situations are compared by a massively white-washed general summary.

My opinion was towards the unit, not the historical armoured reconnaissance car. The reason why they are called panzerspahwagen is because they work alongside armoured divisions to provide reconnaissance. By your logic, why don't panzergrenadiers have armour? It's because they are not "armoured grenadiers" but mechanized infantry that are organic components to an armoured division. In essence, you are using the word armoured wrong- it is them being part of an armoured force, not them being particularly armoured.

As for scouting and secondary purposes, M3A1 and WC51 end up having the transportation as a primary purpose, not secondary. If you want transportation as secondary, consider the Soviet/ Ostheer half track units. I don't represent all COH2 payers, but I find scouting tends to be end up being a very secondary consideration when people use those kinds of vehicles, rather than a primary one. After all hat's the use of a light unit that can't even toggle fire to stop plinking at a heavy tank, and naturally get raped by an AT gun that's even farther away?

In any case, survivability in the form of hiding can do much that survivability in the form of just better armour/ more HP does not. It does not, for instance, make the 222 scale late into the game in an improper fashion by also being able to withstand more hits from tanks. Cloaking however allows any weak unit to prevent being destroyed easily by any late-game unit. Some of the more effective scouting infantry (which coincidentally also possess other capabilities like sniping) also happen to have both cloak and long sight range.