No one can force someone else to run software against their will.
"let the free market determine block size dynamically"
and
"let gerg determine block size and discount signature data at his discretion"
Installing software which has a 1MB anti-spam block size limit in it
is a free market choice. This also applies to any other rules included in the software.
...
I can't wait for Bitcoin Unlimited Take Two, where the block reward is dynamically determined by the free market...