[Larrikin]

As an adult that loves LEGO sets with plenty of disposable income, I would not want a seven foot Lego model. The large sets look nice but a set that large would just be a hassle. Would you really want to waste the space of an entire table? The sweet spot seems to be Voltron size. Large enough that it takes time and looks imposing on a shelf. But it will not take up a full shelf and you can even display multiple models.

Sometimes I imagine setting up a LEGO storage wall plus desks, but that would be for building and not display.

[rtkwe]

Absolutely I have tons of Lego UCS, Modular City, and other model sets but 7ft scale is absolutely incompatible with my house. I have the UCS Falcon and Star Destroyer and those are just barely allowed to stay out of storage because the Falcon is on an angled 3rd-party display stand and the Star Destroyer found an unused corner to sit in.

[selectodude]

I wouldn't have much of an issue with a 7ft long lego model, though the 3 foot wide delta wings would make it really, really hard to find a place to put it.