they were holed up in there with guns shooting at the fbi and they refused to cooperate after valid charges of human rights abuses
could it have been handled better, sure, just starve them out, make them send out the kids at least and the men can fight it out
but theres no reasoning with religious fanatics, especially not under koresh's control
but why isnt this applied consistently? why doesnt the US government take down scientology? or mormonism? those do WAY more abuse than the branch davidians ever did.