Do Japanese people hate religion? Are they hostile toward religious people?

You know nothing about Japanese. Most who have people come to their countries and tell them they are wrong in how they live and how they belief have difficulty accepting those who believe they know.

Get an education almost all Japanese are religious just not yours!

no, not true

Shinto

Do not forget the profound goodness of the kami, through which calamity and misfortunes are averted and sickness is healed.

They've got Shinto

Most Japanese people consider themselves to be adherents of at least one religion

https://www.cia.gov/library/publications/the-world...

(though not necessarily theists!)

Their home made religion is about their ancestors.

+80% of Japanese are atheists. Almost all the rest are Shinto, almost all in the country.

They don't hate religion because Shintos don't annoy them by trying get legislation to support religion or try to evangelize them. That +80% rarely even think about religion.

Only Muslims for most. They can not emigrate there. But can visit or work there short term. They are for most Shintoism in faith. There are a few Christian Church's there.

No. No they are not. They even have their own religion. Shintoism.