I don't get what you're trying to say?
Sure, Bitcoin does have a tremendous energy cost because of its mining network, but this isn't an indicator of inefficiency in the slightest.
The Bitcoin network can singlehandedly replace every central bank, payment provider and money transmitter in the world. Do you think these have a lower energy cost than Bitcoin's POW-system when combined?
Think again.
YES , Bitcoin energy waste is an indicator of it's failure to improve.
NO, the Bitcoin Network can't even match Visa daily transactions , much less the rest of the world's financial transactions.
Bitcoin is deficient in the following
Energy Efficiency
Transaction Capacity
It is not even able to process micro-transactions anymore which was one of it original utilities.
Transaction fees will increase exponentially as capacity becomes limited , making bitcoin unsuitable for reliable commerce.
Proof of Stake coins offer
Energy Efficiency
Increased Transaction Capacity
Easily handling micro-transactions
Fixed Transaction Fees , making it more suitable for reliable economic commerce.