No, believing capitalism must fall, even by revolutionary means, does not make you a tankie.
No, believing that the left is hamstrung and baited by the powers that be does not make you a tankie.
No, opposing US imperialism does not make you a tankie.
No, believing in a planned economy does not make you a tankie.
What makes you a tankie is supporting authoritarian regimes crushing everything a leftist is supposed to stand for, because 'West bad' or 'Critical support for Comrade Xi's concentration camps!'