There is no problem with the network I think if there will be a massive adoption and when bitcoins is widely use internationally, the miners will maintain to do the job and they will be rewarded with a good amount for their operation. The main problem here is how we make it happen the massive adoption we are talking.
Yes, I agree.
Governments should take the lead in mining, to provide the necessary conditions for mining. The current mining lies on the shoulders of enthusiasts who are somehow trying to work to put up with inconveniences. If the government has brought mining to the industrial scale, it would be very cool, and most efficiently.