This is the DisneyWorld monorail platform system and it looked a faff. But their monorails are higher capacity (probably 20+ in each carriage), As the bays at AT hold six people then gates like a rollercoaster train would be more suited.
Whilst I am no fan of Disney, their Monorail smashes the Towers one into Oblivion (no pun intended there). It runs on concrete beam track that does not flex, the trains are from Intamin and have full air-conditioning (essential for Florida). The boarding process is sliding gates, opened by a cast member.