Do you think it’s ok to smoke cannabis and be a parent?

I’m not judging anyone or anything this is just for my curiosity. So I see loads of people in here saying they are parents and they smoke weed all the time and they smoke it around there kids and they would let there kids smoke it but why? End of the day it’s a drug just like heroin fair enough the affects might not be as drastic but it is still a drug none the less. People will probably argue that it’s legal in some places but in a lot of other places it is illegal and that must be because it isn’t safe or there are downsides to it? Also before people comment saying false facts about how it has no negative affects it really does I have also seen how people change for the worse on this drug like becoming aggressive or irritable. BTW I’m not against this drug it might seem like I am because I’m not good with words I don’t personally take it myself but I’m not judging anyone who does just curious as to why there are so many negative side effects why people still take it all the time