For an average x-plane aircraft one buys and tries out for a month or two? Yes. For probably the most advanced simulated aircraft for x-plane ever, developed during half a decade, modelling virtually every possible instrument and behaviour of the plane and where extreme precision have been taken to visually mimic every aspect of the physical plane? No. High quality modelling of wing flex for an aircraft in the highest rang, as I see it, should be one of the top priorities when it comes to visuals. Just because some simmers may be 100% interested in the instruments does not automatically mean we do not at all need a 3d model. Visuals, as well as physics and instrumentation all sums up and makes a good simulation. As more stuff is cut off from the model, the model itself becomes less equivalent to the real-to-life aircraft. IXEG have already modelled details in the simulation that most probably will not be seen/experienced by 99,95% of simmers. But they do this to make the perfect simulation. Having this in mind, I see no logical argument to - when the time is right and all other coding-critical aspects have been addressed - make an as immerse simulation of wing flex, to add to the already 99,9% complete simulated aircraft.