No reason why it won’t still work in 10 years time, same as anything you buy today… whether they’d fund it or we’ll need to, who knows ?♂️
Will it still be the same type of plug or onto type 3 or 4 is a different question… take USB plugs, Apple connectors, android chargers as examples because they do like to change things.
Also they still can’t agree on a standard plug for all vehicles although it does look like CCS will prevail