" you can get alternative pods e.g. Ethical Coffee Company started by ex-Nespresso executive , or reusable pods with which you can fill your own grounds "
Are you speaking from personal experience ? Let me share mine.
One of my sons here in Switzerland has a German colleague that first bought a "Coffee Duck " pod, followed by the ECC pod you mention. He liked his German mix of coffee too much.
One month later his Nespresso machine jammed, and then would not work. The end result is that he was refunded his 11 CHF cost for the capsules, but was out of a Nespresso machine, as that damage is not warrantied, obviously.
Caveat Emptor. Est Tanti, ut sumptus ?