For more of the miners the only problem is high cost electricity so if you will have a cheap electricity or you will be able to manage for solar panel (free electricity) then yes it is worth and you will earn some good profit with mining. But stay away from cloud mining.
Indeed the fact is that the miners are paying a lot of money for the electricity and that is the problem of mining.
I think that mining is still worth it but I would not do it with the bitcoin anymore.
Mining is good and I think that its profitable and worth investing in it too but with the bitcoin its not worth it anymore indeed because of the fact that its not something that is easily done and due to the halving the gaining are not even profitable anymore..
Well for now its still profitable to mine bitcoin depends if what place you live and i think if you are starter.. better to wait bitmain to release a new hardware so that you can mine latest and highest speed miner than miner s9..
I there is other miner that can mine more than 14 th/s.
Or for alternative build a miner rig or GPU mining to mine altcoin is more profitable since you can convert to other altcoin if you experience low revenue for every mine..