I was told that this is because the company who is rolling out the fiber wants to make the network as attractive as possible to ISP’s who want to offer services over it (and wants them to compete) which may be more difficult in an actual physical point-multipoint network (which requires PON). The ISP currently likes PON more than AON (basically Ethernet over fiber to a switch) because the equipment is cheaper. In theory I should be able to switch to an ISP who offers AON or its own PON (they’d only have to physically patch my fiber in a different port at the ODF).
Swisscom pissed away millions of tax payer money after the government ordered an injunction to stop building out on the P2MP network. All they did was continue but just not connect those lines hoping they would win the court cause.