Darth Vader should remote-strangle the R&D team that came up with the Imperial Walkers seen in TESB. Their most obvious designed function is to be knocked down. A real-life tank has a low center of gravity for a reason.
https://www.wired.com/images_blogs/wiredscience/2013/05/screenshot_5_1_13_9_47_pm.jpg
And what exactly is the point of a Klingon Bat'lef? It can't do anything a sword can't, and it looks a lot more unwieldy to handle.
https://upload.wikimedia.org/wikipedia/commons/thumb/3/3c/Klingon_trekkie_armed.jpg/170px-Klingon_trekkie_armed.jpg
In fact, all distinctively Klingon weapons look kinda dumb.
http://farm1.static.flickr.com/4/5001816_257f3b4e0b.jpg
https://www.wired.com/images_blogs/wiredscience/2013/05/screenshot_5_1_13_9_47_pm.jpg
And what exactly is the point of a Klingon Bat'lef? It can't do anything a sword can't, and it looks a lot more unwieldy to handle.
https://upload.wikimedia.org/wikipedia/commons/thumb/3/3c/Klingon_trekkie_armed.jpg/170px-Klingon_trekkie_armed.jpg
In fact, all distinctively Klingon weapons look kinda dumb.
http://farm1.static.flickr.com/4/5001816_257f3b4e0b.jpg