In "The Matrix" Morpheus tells Neo that he has been living in a dream world. There is an implied judgement that living in the real world is important so understanding the truth is important. Neo has believed the lie that was fed directly into his brain and it has taken a huge intervention for Neo to begin to wake up to reality.
We all live to different degrees in a dream world and in the real world. We tend to be blind to some of our own attributes (both good and bad) and we need others to 'hold up a mirror' so that we can have a reality check.
In Psalm 96.4-5 we read:
For great is the Lord and most worthy of praise;
he is to be feared above all gods.
For all the gods of the nations are idols,
but the Lord made the heavens.
The Bible doesn't so much talk badly about other 'gods' as simply deny their existence. As much as people try to trust in other things, other 'gods', in reality there is only One who is worth trusting because there is only one God.
There are areas of my life in which I deny the existence of God. When I hold on to worries and stresses about money I deny the existence of the God who provides for me and tells me not to worry about such things. When I fail to take a day off because I feel I have too much work to do, I deny the existence of the God who is actively sustaining all things and who has been working out history according to His will since before the beginning.
I have a reality mission in my life, I want to live in the real world, to trust my heavenly Father in all things because he is trustworthy.
We all have the same reality mission in our lives, and we are to be involved in God's reality mission to other people.
Sing to the Lord, praise his name;
proclaim his salvation day after day.
Declare his glory among the nations,
his marvellous deeds among all peoples.
Declaring God's glory among the nations is not a mission to convince people of my point of view, or one interpretation of things. It is a reality mission. God is glorious, He has done marvellous things, He continues to sustain all things with His great power. This is reality. When we become aware of reality we must promote it, help people to awaken from the dream world where we think we are in control or we are indispensable and see the truth that God is in charge and He is good.