The timing of the arrival of Jesus, whether pre or post trib, does have a profound impact on the susceptibility to deception that people have. When pre-tribbers are looking for Christ to come before the tribulation, actually they'll get the anti-Christ who will persecute and kill all of those Christians who allegedly rejected Christ. Actually, that will be the anti-Christ deceiving the world.
As the true Christians are being persecuted and martyred, the pre-tribbers will think this passage is coming to pass:
2 Thessalonians 1:5-8
5Which is a manifest token of the righteous judgment of God, that ye may be counted worthy of the kingdom of God, for which ye also suffer:
6Seeing
it is a righteous thing with God to recompense tribulation to them that trouble you;
7And to you who are troubled rest with us, when the Lord Jesus shall be revealed from heaven with his mighty angels,
8In flaming fire taking vengeance on them that know not God, and that obey not the gospel of our Lord Jesus Christ:
When in reality, this passage will be coming to pass:
Revelation 13:7-10
7And it was given unto him to make war with the saints, and to overcome them: and power was given him over all kindreds, and tongues, and nations.
8And all that dwell upon the earth shall worship him, whose names are not written in the book of life of the Lamb slain from the foundation of the world.
9If any man have an ear, let him hear.
10He that leadeth into captivity shall go into captivity: he that killeth with the sword must be killed with the sword. Here is the patience and the faith of the saints.
If people aren't really sure what the devil is up to, attempting to counterfeit all of the legitimate and good things that God will do, then they will fall for these deceptions and be an accessory to the martyrdom of their previous brothers and sisters.
All of that being said, Islam does have it's own eschatology. To understand Islamic eschatology, just reverse it from Christianity. In Christianity the anti-Christ comes then Jesus comes. In Islam, Jesus comes to first then afterwards the anti-Christ.
As you can see, by the time Jesus actually comes the Islamic world will have rejected Him, maybe half of the Christian world will have rejected Him, and probably most of the secular world will have rejected Him. These leaves a relatively small group of people who will actually know who Jesus is according to the scriptures.