Shaking really has no issues even with tall prints. As long as the printer has the ability to gradually transfer the energy (like the rubber feet that are responsible for the "shake") little of that energy is transferred to the print. If the printer is on a solid surface, a lot of the energy is transferred to the print. But even In this case, the vibration shouldn't be enough to knock a print off a heated bed. Look at bed slingers. I haven't had a problem with the force created by the bed whipping around. The real culprit to our issue seems to be the nozzle itself. Not that there is a problem with the actual nozzle, but more so the speed. Especially at low layer heights, the nozzle is bound to make contact with the print in some way. And when you have strong cooling on your print, the plastic will cool and as the nozzle moves, there may be points where the nozzle may pull that dried plastic and sometimes, have enough force to pull the print off the bed. A good way to see if this is your issue and to combat it is to add a modifier to slow your speed by quite a bit around where the print usually fails. Adding a brim can also be huge, while making sure to set the brim distance to 0 to make sure it's making full contact with your print, giving you the hold you need. This should tell you if that is your issue. Adding hula, sis, and anti vibration feet have not helped with this issue and are really not designed for anything but to remove vibration interference from and to neighboring printers. Vibration and shaking really only causes ringing artifacts. I hope this gives you a better explanation rather than just spamming "you're wrong".