that's the exact OPPOSITE of what people are saying.
"The schedule is partially set the way it is to make sure they all get done and not because it is necessarily the most beneficial time to do it." This is just plane wrong, which essentially proves our point that people conflate issues around medicine in order to promote their own ideas/ideology rather than focus on science.
Here's why the schedule is set the way it is (spoiler - it's because it's the most beneficial schedule that we currently are aware of):
The main objective of the vaccination schedule is to protect individuals from disease by providing immunity before they acquire disease. (2) Long-term immunity is important in determining the effectiveness of the immunization schedule. Along with this, short-term protection, local prevalence and incidence, disease epidemiology, safety, and programmatic aspects (including number of doses, funding, organization, and cost) are important factors in determining the immunization schedule. (3)(4)