In theory yes, you have to remember though that you have to enforce parents yourself. If you suspect infringement you will have to sue and carry the lawyer costs, at least until a court judges in your favor. This is off course besides the costs of applying for the parent itself. Your patent might also not be valid in all countries.
In practice the chances of a private person doing this and winning against a multi-billion dollar corporation without going bankrupt are negligible.
How do you know it has peace of mind and is not just lying down because the constant panic is exhausting?