Looking at how well LX sells FC they would be unreasonable to cut down from currently 8 to 4 seats.
I have not been on any LX flight lately that wasn't sold out in FC (with the exception of NRT in June but even that flight now sees higher bookings in FC).
And those seats are often sold (out) in F and not A. It's actually the only way I manage to get a seat in FC these days. And most of the time I need to be super flexible with my dates as FC is usually sold out weeks in advance. Hopefully the situation will improve when LH brings back more F seats but I doubt it. The demand for F seems to be stronger than before covid.