Do you really think "babysitters, online" is a novel, protectable idea?
And regardless, to start a company you have to let people know what your company does. You can't just say "give us money, we can't tell you why but it's totally worth it". So the idea has to be released eventually. What would you have had them do differently?
These guys were around for 5 years and somebody else beat them within 3 months? That's not a stolen idea, that's a failure of execution.
There was fare more discussed in that meeting than just "babysitters, online". They where in bushiness for 5 years and could easily answer things like 'What's the most useful way to do background checks?'. Which is not 'just an idea', but a validated and valuable one.
And regardless, to start a company you have to let people know what your company does. You can't just say "give us money, we can't tell you why but it's totally worth it". So the idea has to be released eventually. What would you have had them do differently?
These guys were around for 5 years and somebody else beat them within 3 months? That's not a stolen idea, that's a failure of execution.