No, I... I would consider it more nonsensical. At least with stones there is a biological reaction in the Pokemon when it makes contact with the body.
The way you're describing Inkay's evolution is via use of a bottle of unknown size in which the squid is supposed to fit. I would guess that it's the sensation of being shaken that triggers evolution, but that could easily be achieved outside of the bottle. So why is this bottle necessary...
[Things Dist did not expect to be stumped by today: a squid in a bottle.]
[video]
The way you're describing Inkay's evolution is via use of a bottle of unknown size in which the squid is supposed to fit. I would guess that it's the sensation of being shaken that triggers evolution, but that could easily be achieved outside of the bottle. So why is this bottle necessary...
[Things Dist did not expect to be stumped by today: a squid in a bottle.]