Not really. These are massive stations with large distances between them.
They're actually great examples of why there haven't been more subways built in Scarborough. Warden opened over 50 years ago and
the area remains a low density suburban environment.
@asher__jo is absolutely correct about density and streetcar suburbs. This is why the LRT being above ground in Scarborough is actually a positive thing. It could help lead to more 'urban' environments (pedestrian friendly, etc.).
In any case, density is definitely not an issue as far as the DRL/Ontario Line is concerned.