It depends on how many you want to produce per day, If its very high production +500 per day, set sizes, a machine like you pointed to make sense. and am sure there is quite a few people on here that could easly build that for you

whereas, if the stuff is more bespoke ( varying sizes or angles ), there may be an easer, cheaper design.

Mount all required blades,shapers, sanders, buffers on a spinning axle near the end of the table, with spacers in-between make the axle rig move past the end of the wood at the angle you require, adjustable at the side of the machine.

do you understand my description. ?

Set up channels on your table and simply feed them in. Done this way, you could easly achive even complex shapes by passing it down one channel then the next, like when your shaping into corners with complex profile material.

That machine you link to, looks spectacular but i would imagine it takes quite a while to retool ( change size of material or angle of cuts ). whereas, big flailing dangerous axle on the end of your table ( obviously box it in ) , could be retooled or adjusted in mins, and have many tool heads on the axle

If you think about it, you could use a plot on your feed in table to achieve even the most complex join angles.

and, it would be a good idea to build ( copy ) one of the designs on here for a standard XZY table or mill, so you can make your own spacers, cutters and shapers. I CNC machine is a great idea for any manufacturing business.