@Ichabod2000
Of course you are entitled to not want kids, and to not understand people who have them. But as pps have said, YABU to label people as 'bonkers' for having them.
As someone said early on in the thread, it's years of hard work and tantrums and tears and sometimes juggling a career/job at the same time. (Although amongst all that is a lot of fun and laughs and daytrips and walks and games and parties and fun holidays to Disney.)
Literally, me and DH have had so much fun with our kids over the last 20-odd years. (A boy and a girl.) as well as wanting to strangle them sometimes! 
And now they are adults, they both live 10 miles away in the closest big town to us, and we have a wonderful relationship with them.
DH goes to play golf with our son, and he goes to football matches with him, and I go swimming, and for walks, and clothes shopping with our daughter. Sometimes all 4 of us go out for a meal (and sometimes we go with them and their partners as well,) and we also all go cycling together when they come to visit us in the rural area we live.
We have also been on holiday with all 6 of us (me, DH, our son, our daughter, and their partners,) in a 3 bedroom apartment in Italy. It was wonderful. We did our own thing sometimes, and did stuff with them sometimes, and all ate together in the evening in a local restaurant. It was wonderful. We are doing it again this September. Probably Croatia this time. 
As a few pps have said, it can be hard work, and the years when they are aged 15-20 are no picnic, but when they are grown, you have this wonderful new chapter with them, and the love you feel for them knows no bounds. It's a pure and precious love that, as someone said earlier in the thread, you have to have a child to experience. (And we still have grandchildren to come yet, as they both want children!)
One poster said she would have been lonely without children; I can understand that, because I know three women right now who live not far from me - all 55-65 - who are divorced or widowed with no children, and they are incredibly lonely. No partner, and no children, and subsequently no grandchildren either...... Have to admit, I really feel sorry for them.
One of them actually confessed not long ago that she regrets having no children, but didn't have them as her husband didn't want them. And another woman I know said she had a busy career anyway, so would not have found time for children. Thing is, she is now retired - so her career is over. One child-free woman I know said she would have been happy to have had children if they had turned out like my two, which I thought was a lovely thing to say.
Frankly, I think people who DON'T have children are bonkers. You really don't know what you're missing. I love my kids so much I could cry.
And yes, the positives of having children DEFINITELY outweigh the negatives!
@DungeonDragon15
I used to quite envy people who didn't have the "urge" to have children before having mine as it seemed their life would be so much easier. Now that I am middle aged with one adult and one teenage child I feel a bit sorry for them as once their parents have died they don't really have much family.
Agree with this. And that's pretty much what I was saying about the women I know who are widowed or divorced with no children. Their parents have passed too, and they virtually have no-one else. It must be a rather lonely existence.
Also, when our children were younger, some child-free people used to bang on about how THEY could buy what they want, and how THEY had nice holidays and a nice car etc. But tbh, we have always had the same stuff as the child-free folk. I have never seen them have anything that we didn't have.