Question: equality of vectors (too subtle for me)

S := [1, 2];
                          S := [1, 2]

T := [1, 2];
                          T := [1, 2]

is(S = T);
                              true

Sv := Vector([1, 2]);
                              

Tv := Vector([1, 2]);
                              

is(Sv = Tv);
                             false

is(convert(Sv, list) = convert(Tv, list));
                              true

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