Aaron’s sons died because they offered unauthorized fire before the Lord.Do people today in positions of authority and leadership in effect offer “unauthorized fire” to the Lord? Do they do this in the form of unbiblical observances and teachings? Just a thought…

Jer 2:13
"My people have committed two sins: They have forsaken me, the spring of living water, and have dug their own cisterns, broken cisterns that cannot hold water.

Lev 10:10
You must distinguish between the holy and the common, between the unclean and the clean,

Again, something that church and denomination leaders are charged with, to teach the people the difference between the spiritual and the worldly. And again, much like it will be as the apostate church devolves into the false church during the last days.