That's a major over-simplification.
As a basic starting position, it seems to me that sticking a needle into someone's bloodstream and injecting a mixture of substances which do not naturally get there is an activity for which the onus absolutely has to be on proving that the benefits are substantial, and is not something that should be done "just in case". That being so, I have absolutely no problem at all with vaccinations for things for which all of the following are true:
1) The consequences of catching the disease have a significant(*) possibility of being serious & permanent, or terminal
2) The vaccine has a high (*) efficacy
3) The vaccine has a low (*) risk of side-effects
4) There is a significant (*) risk of catching the disease in the environment the person receiving the vaccination will be in
(*) These terms are subjective and an arbitrary line has to be drawn somewhere. There is an obvious linkage between them in that for a disease which is endemic and fatal the acceptable risk of side-effects would be higher than for something that is very rare and not fatal or permanent disabling.
Polio, diphtheria, tetanus, whooping cough, tuberculosis, HPV (for women at least), rubella (for women who are or who are planning to become pregnant and haven't previous caught it) and hepatitis, (and I've probably forgotten some others, particularly for specific populations or environments) clearly meet these criteria for any reasonable place you could draw the arbitrary line.
For me, with my arbitrary lines would exclude chickenpox (on basis 1), flu (on basis 1 & 2, except perhaps within vulnerable sub-populations for whom the consequences may be more serious than a couple of weeks off work/school), cholera (on basis 2), and rubella (for children, on basis 1).
Were it to be relevant to me I would do more research to decide on measles, mumps, yellow fever, and anything else that might be proposed.
I am also very much in favour of encouraging kids to play in the dirt, that being part of the natural way of building up their immune systems which has stood the test of time reasonably well.