That perspective is based on first hand observation and a careful studying of Acts and the Pauline Letters to determine what a church and individual christians were like. Please note that the church mattered enough then to seize control of the world's major empire at the time without lifting one hand in anger. If you don't like my "biases", you may want to check your own.
I will admit to having pretty darned narrow biases -- God's Word does not leave much wiggle room and sets a pretty clear standard for personal and corporate conduct. As for being "hogwash"; why is it that so few of these huge churches seem to have much of an effect on their communities or a majority of their attendees? The phrase that comes to mind with these outfits is "whitened sepulcures".
I will stack the per capita mission and unpaid ministry participation, donating to foreign ministry, and evangelism efforts of my 150 adult member church against ANY mega church in the country. And yet even my church is not perfect -- after all, they let me go there, be a covenant partner, and participate in ministry.
Interesting manipulation of Scripture, facts, history . . .
Large and small churchs both have their plusses and minuses. To God be the Glory whenever and however HIS WILL is done.