There was definitely some fakes when the Pentecostal revival started. However, John G Lake wasn't one of them.
When searching for preachers on the internet, you will find haters by the dozens, particularily those who are legalists, stating that their works are impossible because it can't happen.
I would agree Smith Wigglesworth is questionable, but not Lake. He went to Africa when at that time in history there was no lucrative purpose for doing so. Fakers are always after the money. I would suggest you do some REAL research before judging true men of faith.
I see to put no trust in self or anyone else of flesh and blood at all, take all to God in prayer the Father of the risen Son, Jesus for us to get truth over error
Authorized (King James) Version
Phil 3:1-4
Finally, my brethren, rejoice in the Lord. To write the same things to you, to me indeed
is not grievous, but for you
it is safe. Beware of dogs, beware of evil workers, beware of the concision. For we are the circumcision, which worship God in the spirit, and rejoice in Christ Jesus, and have no confidence in the flesh. Though I might also have confidence in the flesh. If any other man thinketh that he hath whereof he might trust in the flesh, I more: