Seeing that most mech mods (and the Provari?) and RBAs all use 510 threading, is there any advantage that 510 threading has over ego threading? I much prefer ego threaded clearos - the seem more stable, less likelihood for me to break the mod if I drop it and the clearo breaks etc. - and therefore I've ordered e.g. Protank minis rather than full size PTs. But, I'm thinking, there must be some major advantage that 510 has that I just don't understand. Or is it just tradition? Please, enlighten me!