The LA system is absolutely how it should work. That's the standard "open system". (The alternative, the standard "closed system", is to do it like the NYC Subway, with turnstiles everywhere, and that's not going to happen because nobody will do it at the rural stations.)
Hopefully fools like HAL will have no influence on Amtrak's future planning in this regard.
And HAL?
- Chicago cannot be configured with real gate lines without the cooperation of Metra (you can already bypass the idiocy if you're clever), particularly the platform which leads to the Ogilvie exit
- NY Penn cannot be configured with real gate lines without the cooperation of LIRR and NJT (you can already bypass the idiocy if you're clever, and people often do)
- DC cannot be configured with real gate lines without the cooperation of MARC and VRE
- Boston cannot be configured with real gate lines without the cooperation of the MBTA
This is because platforms are shared, as they should be. Amtrak could, if its management wanted to alienate *all* of its commuter rail partners, be asininely stupid and try to have isolated tracks for "Amtrak only" and separate them from the commuter rail platforms, reducing terminal capacity and delaying hundreds of trains.
Commuter and intercity platform seperation was done in the design of Philadelphia 30th St, but makes no sense given the design of these other stations; it would be the worst form of turf-war idiocy.
So HAL -- for sure, the crazy attempts at platform-gating will be eliminated. Guaranteed. Congress has already signalled what *its* opinion is, just as it did with pets. Were you one of the ones who said that Amtrak would never carry pets?.... Congress spoke, and Amtrak listened. It'll happen again.