Oh, don't worry.

As we know, Robot is making the PoR slower.  After this great patch, PoR will arrive at the enemy base at 55 seconds or so.  He will still be able to hold the enemy at two buildings--but, if you consider Temple recycle, PoR will still be able to beam that SG or WH down with all his spare cash.  This is all done by running a Ghost in to fire at the enemy base so the Shield does not generate, so no you can't depend on getting a SG up to save you.

So assuming PoR's only nerf is going to be a slight speed buff, Brute and Arbiter will now last about 30 more seconds than before.

I'm sure this will get fixed.  In 6 months or so.