Given that ebikes range in price from CDN$1,000 up to CDN $15,000 Biktrix is not a high end bike nor even a mid range bike.
Biktrix bikes are Chinese built bikes offered by a good North American Company that adds substantial value with service, brick and morter operations, parts and a responsive team that stands behind the bikes way better than the fly by night, here today, gone tomorrow website warehouse model that offers similar bikes at lower prices with little or no support. Biktrix price point on their similar bikes is higher because they have a far better service team not because they build the bike that much better.
What matters when it comes to extra steps taken to make a bike more resistant to damage and corrosion by rain the water ingress actually using better materials, component that cost more and are designed with greater protection must be used, not just a higher price charged.
The real difference is readily apparent if you compare the durability of a Specialized, Trek or European made mountain bike, subjected to hard, dirty, wet use, to that of a mountain bike built in China. This is not to say any of the above are trouble free, but a better built, and costlier bike, built to the more stringent standards required by the EU will likely also be more durable and not as troublesome.