It was NOTHING like that. They were not flirting with other men (the only one flirting is Lance and he's clearly heterosexual). They were not having long stares into each other's eyes. The bond was familial, but fuck if we can't have those anymore.
And of course there was this:
As seen in a Gundam movie actually, which means they know a lot more about giant robot cartoons than the Voltron Force writers did.