Legally, pets are property, so pushong this by means of is quite a bit simpler than with folks. I also can see quite a lot of resistance to the concept of forcing microchipping folks. Many peplle dont perceive that ots not a gps tracker that uploads all of your ideas straight to skynet.
That being mentioned having a chip containing medical historical past and ID may very well be very useful. Can be attention-grabbing to see how many individuals would need such a chip if ot was provided.
Tldr. Pets are legally property. Noone can power folks to be chipped. A great deal of legitimate considerations and susceptible to abuse in some areas of the world.