kii said:

Cymek said:

https://www.perthnow.com.au/news/australia/more-than-2000-lego-sets-up-for-auction-as-aussie-collector-offloads-towers-of-building-block-kits-after-50-years-c-22141349

How un-fun
Buying something designed to be built and never doing it
Yes its hard to find space to display them but still how boring

Possibly this person received joy through the act of collection. Probably an ND person.

Could be
They are fun to build and quite well designed.
Lots of non Lego building kits as well.