How bad are the “deceptions,” “mirages,” in this time and day?

First of all,

There has been deception since the beginning. — G.S

Genesis 3:13 (KJV)

And the Lord God said unto the woman, What is this that thou hast done? And the woman said, The serpent beguiled me, and I did eat.

Secondly,

Deception can be caught and the truth seen; although it can be tricky, it can be seen! — G.S

1 Peter 2:1 (KJV)

Wherefore laying aside all malice, and all guile, and hypocrisies, and envies, and all evil speakings,

Ephesians 5:6 (KJV)

Let no man deceive you with vain words: for because of these things cometh the wrath of God upon the children of disobedience.

Jeremiah 9:6 (KJV)

Thine habitation is in the midst of deceit; through deceit they refuse to know me, saith the Lord.

Jeremiah 17:9 (KJV)

The heart is deceitful above all things, and desperately wicked: who can know it?

Psalm 43:1 (KJV)

Judge me, O God, and plead my cause against an ungodly nation: O deliver me from the deceitful and unjust man.

Romans 16:8 (KJV)

For they that are such serve not our Lord Jesus Christ, but their own belly; and by good words and fair speeches deceive the hearts of the simple.

Revelation 21:8 (KJV)

But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death.