When will all the world accept LGBTQ+ people?

Never.
There are a lot of human communities that receive no official acceptance or acknowledgement to validate who we are by birth or choice. We just love ourselves and soldier on.

Tolerance is probably more reasonable to aim for. We each have the right to our own opinion and do not have to accept what we don't believe in.

Its an epidemic we need to find a cure not let it spread

Probably never.

What's Q?

Never, particularly the conservatives are disgusted and hateful when people don't confirm to their expectations.

They can be contained but will always be here.

The world? Never unless a few populations go extinct.

never

Maybe after the world ends.

when hell freezes over

It will perhaps never be all the world, but hopefully a great number will overcome prejudice.

They are already accepted hey just overstepped their respects.

hopefully soon

In 60-80 years.

Once the bigots are gone.

Well, whenever a civilization does, it tends to go extinct. Then all that's left are the "homophobes". So I guess whenever that very stable cycle is broken