Nope, people say "just" all the time for this case. You might think they should use "only" or "solely", but they say "just" frequently. Sometimes "just" does h

Nope, people say "just" all the time for this case. You might think they should use "only" or "solely", but they say "just" frequently. Sometimes "just" does have an implication. If you assume the writer isn't being a dick, it's easy to see what they meant.