The decision to only have three sentences about it. The decision to hide those three sentences under the "History" heading so there is no hint of it in the table of contents. The decision to not even have a "Controversies" section to the page. The decision to not have any photographs of the aftermath. Don't be so credulous. Wikipedians have been caught selling their PR services numerous times before, and doubtlessly get away with it even more often than that.
Contrast this with what BP's page looks like and it's obvious Exxon payed top dollar while BP's PR team cheaped out (gave up?). BP's page has a paragraph dedicated to the Deepwater spill in the introduction section, has a "Violations and accidents" section in the table of contents, and has "Deepwater Horizon explosion and oil spill" in the table of contents as well. And that section? It has a dozen or so paragraphs, not just three lame sentences. The page has several photographs of the aftermath. BP's page looks like an authentic wikipedia page, while Exxon's page was obviously bought and paid for by Exxon's PR. Exxon's page should look like BP's, but doesn't.
And since you mention the article dedicated to the spill, lets compare those too. The Deep Water Horizon page is 4 times as long. The Deep Water Horizon page gets prominent links from BP's main page, at the top of the section titled "Deepwater Horizon explosion and oil spill"
> Main article: Deepwater Horizon oil spill
> See also: Deepwater Horizon explosion, Deepwater Horizon litigation, and Deepwater Horizon Oil Spill Trust
BP's page also has an infobox all about the spill: "This article is part of a series about the
Deepwater Horizon oil spill"
Exxon's page? The link for the spill's dedicated page is hidden as the 4th link in one of the three sentences that page has about the spill:
> On March 24, 1989, in what is regarded as one of the worst oil spills in American history,[9] a tanker owned by Exxon, the Exxon Valdez, crashed into Bligh Reef, [[Exxon Valdez oil spill|spilling]] its cargo of over ten million gallons of crude oil into the Prince William Sound in Alaska
What an absolute fucking joke. I can't believe you defend this.