The problem with mainstream religion such as Hinduism, Christianity, Islam and Judaism is that at some point the practitioner has to give up rational thinking and just start to "believe". Rational thinkers including the empirical ones have a field day with such dogmatic belief. Actually, there is lot of unverifiable dogma in science too that forms the very basis of modern science. So there is dogma in both except in science belief or as they call it assumptions only form the basis for a theory but in religion the whole experience is on the mental platform (dogmatic) with no verifiable experience. Therefore as science is advancing especially through tech trinkets or science fiction gadgets, religion is losing its value.
Another reason I think religion is becoming less of a reference point in modern day living is because it has no practical relevance to people. For example what does religion have to say about social ills such as poverty? Is there a strategy to use religious values as espoused in popular scripture to solve poverty? How about household problems such as divorce or domestic violence? Do we have religious solutions? Rarely you will find a pastor or priest heading a panel dealing with social, political or economical problems. So mainstream popular religions are happy just to use God in manner of "belief" versus "non-belief". Beyond this there is little religion can offer to society today. I agree it is important to "believe" in a life beyond life as it provides some hope for the after-life but if mainstream religion does not offer real-world solutions confronting households and society at large, then religion will simply become a hobby of sorts or merely armchair philosophy.
Bhagavad Dharma, on the other hand as enunciaed by modern day saint Srila Prabhupada, provides us with practical methods or strategies to deal with mental, physical and spiritual problems on an individual level, community level and or global level. If we adopt the methods given by Prabhupada rest assured our social, economic and political problems can be solved and simultaneously cultivate our dormant spiritual attraction for God.
Below is a statement that provides a glimpse into the magnanimous thought of Prabhupada and how he saw Bhagavad Dharma's capacity to change the entire world.
"Human society, at the present moment, is not in the darkness of oblivion. It has made rapid progress in the fields of material comforts, education and economic development throughout the entire world. But there is a pinprick somewhere in the social body at large, and therefore there are large-scale quarrels, even over less important issues. There is need of a clue as to how humanity can become one in peace, friendship and prosperity with a common cause. Śrīmad-Bhāgavatam will fill this need, for it is a cultural presentation for the respiritualization of the entire human society" - Srila Prabhupada
We only have to accept his words and practically apply it in our lives.