A Latin low Mass might typically be said to look rather inanimate by an observer who doesn’t have the slightest clue what s/he’s talking about.
And the church might look live rather than dead to someone who has never seen packed pews. Last mass I went to, folks were packed in tighter than the cheap seats on an airplane. Most of the parishes around here have weekly attendance of 10 to 20,000 with 11 to 21 services a week.