We do not refer to sentiment, but practicality: it may recognize being captured as a form of safety.

(They think to the concept of "trap happy" animals. Creatures that upon being trapped and released as part of scientific research, begin to intentionally spring traps as it guarantees them a period of food and safety.

This is not identical--they doubt this animal has prior experience with pokeballs--but it may be similar.)

You dislike the design?

(It doesn't match Geth aesthetic, but Geth don't care that much.

They consider previous interactions.)

It's non threatening nature is off putting?