In mishnas rav aharon, rav aharon kotler has a shmuez where he says that in essence, modern orthodoxy is akin to reform, as they blth originally began as attempting to “save” yiddishkeit by making sacrifices and changes.
Modern orthodox has a higher drop out rate – double, actually – than the yeshiva world. When people see that you’re willing to forego Hashem’s will for the sake of whatever thing it may be, the door is open, the pischa shel gehinnom is underneath it, and it takes a miracle and zchus avos not to end up there