Turning mining back on is entirely changing the parent's statement.
"Well yea you could do that change to tank the value, but imagine if you just undid it huh???"
The point was without mining entirely, there is no value
"Well yea you could do that change to tank the value, but imagine if you just undid it huh???"
The point was without mining entirely, there is no value
Once established, the idea is that transaction fees are used and the distributed nature of the network causes a natural competition to be the most efficient so miners can charge the lowest fees while making a profit.