Ralph, the Democrats in Congress are doing the same thing that Hillary Clinton did in her election campaign. Like HRC, there is no platform for the country and the people, like HRC they only do one thing and that is hate Donald Trump. They openly and proudly admit that their only job in congress is to resist the Trump presidency. And that is the same as resisting the Executive branch of the United States Government.
Instead of working on an ACAPPA replacement, the democrats have just withdrawn from their congressional duty to work for the country, and the people. The RINOs also have this same malady.
The oath that these politicians in congress should in no uncertain terms make it clear that their positions in congress are to help the country, and all the people in it. Not just their party, and party goals.
Congress should be run to make compromises that benefit the country and the people. Clearly this has not happened except for momentary extreme crises like 911. But, it doesn't take long after the initial event for them to put on their party hats instead of their US hats.
The democrats have been benefiting the terrorists by doing their job. The object of the terrorists is to bring down the US, and because they are outsiders they choose to do it by fear and violence. The democrats in congress don't need fear and violence to bring down the country, they just corrupt it from the inside. The goal is the same, the method is different.
I don't know how their actions against president Trump are not imputed to the the country. You cannot separate the man from the executive office. When you dis Trump, you dis the US. It doesn't mean you have to agree with the man, but you need to respect the office.
The dems favor immigrants over US citizens. Whether it is illegal aliens, or unvetted or improperly vetted immigrants from terrorist infested countries. While at the same time no one is complaining that hundreds of millions of travelers have to go through the TCA hoops, in the hope of catching a handful of terrorists.
The terrorists have always been proactive, while the US has been reactive. We don't even know if the terrorists are even attempting to get on planes anymore. Obama had them fast tracked right into the heart of America, and even gave them spending money.
So in conclusion on answering your question, Nothing beneficial has come from the democrats. They have become the AntiAmerican, friend of the terrorist.