EXACTLY!!! They will turn on Team Zero and be on his side full stop.
The only reason why they sided with SH is because BC was foolish enough to say, “If they like me, they’ll like her.” The stannies have never liked SH for who she is, they only care about projecting their delusions onto her blank canvas. The minute she is shown to be their idol’s enemy? This dynamic will reverse and BC will have their support along with that of the general public. Most people can see that regardless of the true nature of their relationship it is patently toxic.