We know this very well, because of the range the drone are able to fly and the wreckage. Its amazing these days with the wealth of information that people do not do a few seconds of research.
1. Imagine: Your are Russia, are you going to launch drones with the fuel to fly not only into Ukraine, but also all across the map of Poland? Or do you dedicate that space to bigger warheads. Or lighter drones to increase their speed. That alone answers your question.
2. The drones found crashed, has modifications like bladdertank in the warhead section to increase their fuel. You do not accidentally get a drone all the way to Gdansk without increasing its fuel load. See point 1 again ...
3. Having a drone gone stray is not uncommon, but there is a difference between 1 going stray and 20 going stay. Your argument about jamming is flawed by the simply fact that we have the path the drones took, and unless Ukraine magically got the exact same drone misdirecting tech, active on multiple paths, again, check the map. See the issue there?
4. If the drones got jammed / flight spoofed, why did they not fly in a erratic course. You expect a drone that has its course altered to to suddenly start flying in different path.
5. The drone paths again, if the drone left the jamming or misdirection area, it will try to get back to to its intended area. They did not do so.
6. If this tech worked so great, why did we not have more mass drones flying in the wrong direction the following days? Drone attacks happen every day in Ukraine, they are not one off events. If the Ukrainians got this tech to work so good, to send 20 drones into Poland, why no repeat? You do not fix a flaw that the enemy found in just one day. Did Russia ground its drones the next day, the next week until they fix the issue? Added more antenna's and more hardware to make it harder to jam/redirect? No, they continue they typical pattern.
7. ... insert conspiracy that it was all planned and they do not use that tech again to not over use it (while giving the Russians time to adjust their hardware???). Sigh ...
People posting this nonsense that NATO is looking for a war or to ramp up incidents. Here is a simple answer: Who attack first? Was it NATO? Was not Ukraine? No ... Russia invaded a country for the SECOND TIME, triggering this mess.
You claim financial motives to trump up rhetoric ... our arms industries can already not keep up with the orders. We have backlogs that will take 10+ years to fill already, even with the expanding industry.
Like always, some people are just too much into conspiracy but what else is new these days. Hate to tell ya, but the internet / social media is a battlefield these days, just as much as troops on the ground. Please use your mind a bit more and understand that those drones are not a new tactic, its just a modern adaptation of old tactics. The new "remember we have nukes, we can get you", or the old USSR "see our planes flying into your identification zones"...