I'm trying to avoid a Hatfields and McCoy feud. ;-)

I have new neighbors moving in as I type this. We live in a twin house
and they're putting up a fence right. They mentioned that they will be
planting a vegetable garden...which I would assume will include tomatoes
and peppers. On my side of the fence I'm planning a moon garden that
will include flowering tobacco and indian tobacco.
Should I forewarn them that there will be cross pollination?

/J
--
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Two things fill the mind with ever new and increasing wonder and awe -
the starry heavens above me and the moral law within me. - Immanuel Kant

Won't make a bit of difference.
Although some of same diseases are shared pollination is not an issue.