Photon, The laws of physics do not change because someone wants to sell you something. Any movement of the enclosure is distortion. The last thing you want is your enclosure bouncing around. Woofers vibrate. That is their job but unless you have a force cancelling system like the KEF Blade the woofers movement is going to translate into enclosure vibration. Putting the speaker on a spring loaded system is going to allow the enclosure to vibrate at a frequency dependent on the mass of the speaker and the stiffness of the spring.
Most reviewers are FOS. They are being paid off in one way or another and most of them have no background in the sciences. They are English majors and Journalists. If you ask them who Isaac Newton was you will get a glazed look.
Audiophiles are the most gullible people on earth. I include myself in that category having fallen for my share of BS in the past. If you think something is going to sound better it will. The sound of your system will change with barometric pressure and in my case humidity. You can not just plug a piece of equipment in and evaluate it in one go. You have to AB the change carefully. Some changes are obvious like going from a 50 watt AB amp to a 200 watt class A amp. Changing speakers is usually obvious. But cables, wires, and other minor filagree will be subtle if at all.
When I hear someone say the change is HUGE, incredible, catastrophic I immediately think they are FOS and dismiss anything else they have to say.
Oh, and since when do all speaker manufacturers know what they are doing? Most of them are just trying to come up with anything to distinguish themselves from brand X.