Of course seccession would be bad for USA. Worse for Texas than the states that remained.
Note that we heard before Brexit that it would not cause problems, yet it in fact bring benefits as expected by anyone with any idea how economy works.
> Secession from the EU has certainly been bad for the UK, but the rest of the EU seems to be doing ok
The UK might have paid the biggest price due to Brexit, but the EU also lost a significant trading partner for it's goods and services. Arguably it was a lose-lose outcome.
