First of all George W. Bush is, by far, not the "most beloved president". Who told you that? Even his own political party, The Republicans, disown him and his policies today.
The links you gave, unless I am very much mistaken, do not in any way show Bush funding the Taliban or ISIS, maybe Al-Qaeda but not the other two. Additionally, the Bush relationship to the bin Laden family article's link is from rense.com, which isn't exactly a reliable source. One heading on their main page is "Islam Means Death To America. Europe Already Gone. Hilary Knows And Supports Islam". Furthermore, regarding the author of the article, Rick Wiles, "a Far-Right fundamentalist Christian radio host and conspiracy theorist", who apparently "has implied he supports the genocide of Muslims, saying they should be 'stomped out like cockroaches'."
Source: rationalwiki.org/wiki/Rick_Wiles
Are you really going to take the opinions of these people as reliable? A cursory search did not show any reliable news agency breaking this story but even if it is true, the bin Ladin family has been a rich family with dozens of male members, it isn't very damning evidence that some members of the family would have invested in Bush's business in the past. Additionally, the first Gulf War by George H. W. Bush was a very sore point for Osama bin Laden. There is very little motivation for Osama's Al-Qaeda to reconcile with George H. W. Bush's son.
Then there is the article "America's Allies Are Funding ISIS", it proves the criminality of Muslim countries (namely, Kuwait, Qatar, and Saudi Arabia) than it does the US'. The article "C.I.A. Cash Ended Up in Coffers of Al Qaeda", also says that half the ransom was paid by Pakistan, then using the same logic, it would be correct to say that a Muslim country namely Pakistan, also "funded" Al-Qaeda.
