Amendments, right of refusal, etc do not happen in SAFE rounds. Why do we assume they should happen in a priced round? Seems like all these documents have been

Amendments, right of refusal, etc do not happen in SAFE rounds. Why do we assume they should happen in a priced round? Seems like all these documents have been generally standardized so the cost should be the same barring investors asking for extra rights in a Series A.