No, by making that assertation, I am pointing out that Reality doesn't care whether we can "tell" or not. Thus asserting that you've got the goods on "Reality." That's why I referred to praying to you, because if you've really got a lock on Reality, theyn you're God.
Look, I've said some foolish things in the past and later failed to back down from them. In this case, you've done likewise, and no amount of hedging or obfuscatory argument will erase it. I'm going to drop it and go on, because I've got better things to do.
Meanwhile, according to the best theory we have to date:
All motion is relative.
Accept it now; understand it later, if necessary.
"All motion is relative."
No, that's not accurate.
Two cars can be driving along at identical speeds, and the windows may be so blocked up that they can only see each other. From their relative perspectives, they aren't moving.
Reality, however, cares not a whit for their relative perspectives, and as the two cars cruise through the roadblocks and off the broken bridge, the occupants will soon learn that painful lesson.
So you can claim that the appearance of motion is relative, but the reality is that appearances don't matter to the actual facts.