Does anyone here have any insights or opinions on L5 only navigation? oneNav seems to think it's better than L1+L5, citing lower complexity and power usage, but

Does anyone here have any insights or opinions on L5 only navigation? oneNav seems to think it's better than L1+L5, citing lower complexity and power usage, but with maintained accuracy. Sounds too good to be true, will devices skip the L1 band eventually? https://onenav.ai/solution/ https://onenav.ai/solution/