Cryptocurrency: Miners losing money on Bitcoin?

• Since it launched in 2009, bitcoin has experienced four bear markets.
  

• The recent plunge in cryptocurrency prices, impacting mining margins.
  

• What happens if bitcoin mining is unprofitable?
  

According to several cryptocurrency analysts, mining Bitcoin has become very difficul. So in rewarding terms of the effort and the energy spent doing it that it has become unprofitable to mine it.

• People says:
  "Definitely not profitable to 99% of the population unless you create a better miner yourself or get free electricity and access to a ton of miners."

What are your thoughts and your expectations from mining Bitcoins?