Er, you're going to file multiple small claims in the US against (suspected) firms outside the US?

Be prepared to be disappointed. There is 0 evidence/elements of damage in the eyes of the archaic courts in this case, as you have no evidence of being damaged. You may be annoyed, but you're not at psychical or monetary risk due to the actions of another.

I disagree^ with the above, we live in the future where comm-spam is an inherent risk. However, I lost a small claims case where documented over 5 years Mazda put the wrong oil in my car. I found out after pouring through paperwork and seeing the line items/overcharging (22 instances of this.)

Judge dismissed it due to no "damage." 3rd cylinder died a week later.

Steve is in GDPR land, according to his profile page.