Well I think humanity is becoming more and more accepting of each other, on the whole.
I agree, and that might correlate with the decline of Christianity, which does not accept any other religion as the truth.
At the same time as a decline in religion, coincidence?
The decline in religion does not pertain to all the religions. Some religions such as Islam and the Baha'i Faith are growing.
Changes in Frequency of U.S. Religious Service Attendance Over Past Two Decades, by Religion. A table showing changes in U.S. church attendance between 2000-2003 and 2021-2023. Overall,
regular religious services attendance among U.S. adults has declined from 42% to 30%, with declines among most groups.Mar 25, 2024
Church Attendance Has Declined in Most U.S. Religious Groups
Which religion is declining the fastest?
According to the same study
Christianity, is expected to lose a net of 66 million adherents (40 million converts versus 106 million apostate) mostly to religiously unaffiliated category between 2010 and 2050. It is also expected that Christianity may have the largest net losses in terms of religious conversion.
Growth of religion - Wikipedia