Players get winded all the time. It's not unusual. Usually you just need a couple of seconds to get your lungs back.
We are generally taught to leave players that have landed on their necks or backs alone until they get up or the medics clear them.
But I guess Mako Vunipola is the most qualified person to make that determination
Kolbe hardly as a reputation of somebody that dives to milk penalties; not like Habana used to do.
He's taken some serious knocks and got back up without a fuss.
He's one of the few players I'd give the benefit of the doubt to when he goes down.