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frankuestein just wrote:
"BTC won't be lost forever.
Some third party services, merchants or even people like you and me using a wallet like Electrum can set an expiry date for a payment request. An example of a use case could be to prevent customers from submitting payments after the quoted price is no longer valid.
That's why your bitcoins won't be lost and wallet addresses don't expire. In case you send bitcoins to a third party service like kraken or you use a payment gateway like coinbase, you'll have to follow its rules and this is not bitcoin's 'fault'."
Bitmixer.io for one has addresses that expire in 24 hours. They then DELETE the address & account info. As far as I know, that means any BTC arriving late is GONE. And that would be terrible for the unwary who might lose a big chunk of money when the blockchain is stopped-up...
I do think the high fees are a problem and unnecessary. Nobody wants their Bitcoins to be lost. It is not cool, when you can not be certain to get confirmed within 24 hours, but this is not alone Bitcoins fault. Mixing services should be aware and response to this. Just blaming Bitcoin is not a good course of action.
These are the common thing problems in every transaction we encountered. Now if you need or like fast confirmation in the blockchain give the high fee so that they can prioritize your transaction. And I agreed bitcoin is out of it which no need to blame it.