The argument generally doesn't demonstrate that. The argument generally goes:
1. Google could do it.
2. <This space is intentionally left blank>
3. Therefore, Google is doing it!
(Step 2 needs to be filled in a bit for it to be a good argument. Generally, analogies don't quite make the cut.)
You are ignoring the value of previous experience:
Please replace 'Google' with 'Profit-driven legal entity in the USA' and reread your argument.
The parent is making an assumption, based on past experience, but is also Most Likely correct.