I remember telling the Goodyear dealer to install the whitewalls inside as recently as 1998. So I presume they’re still there. Some stodgy cars still have them – I think the Town Car comes to mind.
Answer to Bonus Question: the Grand Marquis has factory applied, painted pin striping to this day. In fact, there’s no way to NOT specify some type of pin striping, short of upgrading to the Marauder.