Ryan there are plenty of other sources with credible evidence showing how dubious the white helmets are and also who funds them. Look them up.
Focus on the message, not the messenger.
Why would assad, who is on the verge of victory, use chemical weapons? What has he got to gain?
On the other hand the "rebels' have everything to gain from hoaxing an attack.
Given the tactics Nato have employed in the past to get what they want, setting assad up is right up their alley. Iraq was a set up, Afghanistan, Libya...Syria...All countries of strategic interest for Nato, all went down the same road: a relentless narrative besmirching the respective regimes, instigating unrest by using clever social media campaigns, civil war breaks out, chaos ensues.,,
Only this time things aren't going to plan for Nato in Syria :)