They're just hating on a good conversation
And I agree, the length for 1:48 seems right in most regards as an Ork Trukk, even with ram is still only about 125mm, but the width is a bit more, around 70mm or so.
Tam is making a lot more of the 1:48 models and even recognize the fact "most gamers are using 28mm figures" so it looks like they're trying to squeeze in on a few vehicles. Maybe we'll get lucky and they'll add height